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Apophyllite KF
Apophyllite KF

Lepidolite
Lepidolite



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Apophyllite KF
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Lepidolite

Apophyllite KF and Lepidolite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.33-2.372.80-2.90
1 7.18
👆🏻

Fracture

Uneven
Uneven

Cleavage

Perfect on {001}, imperfect on {110}
{001} perfect

Mohs Hardness

4.5-52.5
2 10
👆🏻

Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Apophyllite KF and Lepidolite Chemical Formula

While comparing Apophyllite KF and Lepidolite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Apophyllite KF and Lepidolite chemical formula.

  • Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
  • Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Apophyllite KF and Lepidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Lepidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Lepidolite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 2.80-2.90 whereas that of Lepidolite is 2.80-2.90.